Date: Thu, 26 Jul 2018 10:07:49 -0400 From: Shawn Webb <shawn.webb@hardenedbsd.org> To: Kyle Evans <kevans@freebsd.org> Cc: "Rodney W. Grimes" <rgrimes@freebsd.org>, src-committers <src-committers@freebsd.org>, svn-src-projects@freebsd.org Subject: Re: svn commit: r336731 - projects/bectl/sbin/bectl Message-ID: <20180726140749.k2zgrtbrmquawbhs@mutt-hbsd> In-Reply-To: <CACNAnaGxqtr8P8_oway7OpTqh5O90zC79gE9WsACmd1PZP8FrQ@mail.gmail.com> References: <20180726131959.qplqj62fkjzcfyid@mutt-hbsd> <201807261332.w6QDWdQI045745@pdx.rh.CN85.dnsmgr.net> <CACNAnaGxqtr8P8_oway7OpTqh5O90zC79gE9WsACmd1PZP8FrQ@mail.gmail.com>
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--jif36glxs4hrvwr2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jul 26, 2018 at 08:47:30AM -0500, Kyle Evans wrote: > On Thu, Jul 26, 2018 at 8:32 AM, Rodney W. Grimes > <freebsd@pdx.rh.cn85.dnsmgr.net> wrote: > > -- Start of PGP signed section. > >> On Thu, Jul 26, 2018 at 04:07:37AM +0000, Kyle Evans wrote: > >> > Author: kevans > >> > Date: Thu Jul 26 04:07:36 2018 > >> > New Revision: 336731 > >> > URL: https://svnweb.freebsd.org/changeset/base/336731 > >> > > >> > Log: > >> > bectl(8): Redo jail using jail(3) API > >> > > >> > The jail is created with allow.mount, allow.mount.devfs, and > >> > enforce_statfs=3D1. Upon creation, we immediately attach, chdir to= "/", and > >> > drop the user into a shell inside the jail. > >> > > >> > The default IP for this is arbitrarily 10.20.30.40. > >> > >> It seems this would only allow working in a single jailed BE at a > >> time, correct? > > > > Also it is just bad practice to use arbitrary IP's from > > rfc1918 space. IMHO it would be better to pick a > > rfc3927 link local address, or one of the rfc5737 test > > network addresses. > > > > Please see RFC5735 page 6, table in section 4, no > > place in FreeBSD base system should we be shipping > > stuff that uses rfc1918, that is private space that > > does not belong to the OS. > > >=20 > Right on both accounts (Shawn + Rod)... I changed it from an arbitrary > IP in 192.168/16 space that was conflicting with my local network > (heh... that was fun) with the intent of later changing it to just be > configurable rather than hard-coding an IP [1] because I think that no > matter what choice I try to go with, someone's going to want something > else. I'd rather not make such choices at all and force you to instead > specify an IP every time, a la "bectl jail testenv 10.8.0.100". Or perhaps to jail the BE without an IP at all. Sometimes all I want to do before rebooting into a new BE is just set an rc.conf value (disable a service, for example). Also, as we look forward to IPv6, it would be nice if IPv6 was supported as well. >=20 > The default remains 10.20.30.40 until that time, though, and it seemed > that anyone wanting to test this should be aware. >=20 > [1] see the "XXX TODO" I dropped in the area, which mentions the > former and meant to hint at the latter --=20 Shawn Webb Cofounder and Security Engineer HardenedBSD Tor-ified Signal: +1 443-546-8752 Tor+XMPP+OTR: lattera@is.a.hacker.sx GPG Key ID: 0x6A84658F52456EEE GPG Key Fingerprint: 2ABA B6BD EF6A F486 BE89 3D9E 6A84 658F 5245 6EEE --jif36glxs4hrvwr2 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEKrq2ve9q9Ia+iT2eaoRlj1JFbu4FAltZ1bEACgkQaoRlj1JF bu5ITA//XNtk3CdXUk5wGKN/8F9fKYtyuF5TWAwL1l6ucWk6GdZVcXWFe+sgnKaX 0HRJC0Hg1+ixCWcdp7J/2RFx1dfLloDpkvq5gfGF0R6o2fLyE31cLlxYHTrRK6kZ BFvmI4Im4j6vkOOpxgZZioBC9zGBdlM8lsYWXp51Gb3aMCN5Ir9U2VHtZ06bHgs1 c8WUhfut8XyjfKMRlFLfFQ/nvzBNdWWlvrVX4jHA+8l/uq0WnZwVS8XGwVTGhSiH lOaz+as+RE34wowMuiIOwCpQjMtjvT9G9xa1iUI2Rkr9Aq6w4VYuJQ2eXOlBbEw7 +YNLbuEHs7H1UjGXjvTUBewBcuMwQsmBMDrJo0rQv5hGN+vRUys2TGuNFcarddFx vUtL5igV/uKCoZYBKxqz+VL2XPO9/mapgkdZvknAu3ZnlVyNFv1N/ikSomZbqAO+ GwANx5IX1ImQ943rKsTZsr9BTFQTJT2HrLdiJZxloN5sFVgbzxKf+PbwT8FGqLUq 6cFPYgsThQeUUC+xLTzII3zU4OdK5oIA6PDjclXehQIVrxjFA0dL+ZR1ufgau0m1 40gS1owS9AEDSpcjTfyeXUjowpvh1niZVTcu0EDy5b631EA41V+Nz7PeavKsyrYJ de8nWEIdGYgghM876eVZDV78dWL1U10AeHigEr5gjLW3Vh4txLQ= =870x -----END PGP SIGNATURE----- --jif36glxs4hrvwr2--
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